WILSON NCAA Indoor/Outdoor Basketballs Limited, Brown, Size 6 - 28.5"

High-performance composite cover for superior grip and control. A 100% composite cover is provided by Laid-In Composite Channels. Premium Carcass Design for Increased Rebound and Durability To maintain appropriate ball pressure, the pressure lock bladder seals in air. Indoor and outdoor use 28.5" Official Size Basketball Inflation should be between 7 and 9 PSI.   Superior feel, durability, and value. All of these features contribute to the NCAA Composite being a triple threat for new basketball fans. It can also help you become a better player, but that is entirely up to you.